document.write( "Question 343014: Frank is 4 years older than Bill. Five years ago Frank was twice as old as Bill. How old is Frank now? \n" ); document.write( "
Algebra.Com's Answer #245713 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! Frank's current age = x + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Bill's current age = x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 4) - 5 = 2(x - 5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x - 1 = 2x - 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x - 2x = -10 + 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-x = -9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -9/-1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Frank is 9 + 4 years old or 13 years old.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |